Re: Changing the Primary Key Column

On Wed, 2011-02-23 at 16:06 -0800, Michael Ewan wrote:
>
> On 02/23/2011 03:34 PM, Rich Shepard wrote:
> > This, too, is new to me. The first table column is a contrived key that is
> > no longer needed as a unique row identifier. The second column should
> > replace the first as the primary key. The ALTER TABLE command can add a
> > primary key to a column, but I don't see how to remove that constraint from
> > column1, add it to column2, so I can drop column1.
> >
>
> Maybe someone else has a better answer but in my experience you have to
> drop the table to change the PK.

Uhh, no. You drop the constraint and re-add it for the second column.

JD

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